From RawlPlug this is the FIX expansion wall plug with screw, part of the FIX range of lightweight fittings allowing you to work and fix into any solid base material providing a strong anchor. The design of the wall plug provides excellent two-way expansion with a strong anchorage connection in solid base materials. The fins of the wall plug ensure no rotation or spinning of the plug when you tighten the screw into the wall plug plus with an engineered grip providing extra holding power. This FIX expansion plug is supplied with compatible threaded screw fixings.